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Finding the Fourth Proportional to 18,798.97, 25,941.37 and 10,300.99

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Solution

The fourth proportional to 18,798.97, 25,941.37 and 10,300.99 is: 14,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,798.97 : 25,941.37 = 10,300.99 : x
  2. Step 2: Convert to fraction form
    18,798.97/25,941.37 = 10,300.99/x
  3. Step 3: Cross multiply
    18,798.97x = 25,941.37 × 10,300.99
  4. Step 4: Simplify right side
    18,798.97x = 267,221,611.74
  5. Step 5: Solve for x
    x = 267,221,611.74/18,798.97
  6. Step 6: Final answer
    x = 14,214.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.